Round|Natural|GIA

0.42ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6555803259

Certificate GIA 6555803259

Diamond specifications and retailer prices

From HK$2,674 HKD
₹32,458 INR
As of October 28, 2026
Save HK$5,138 HKD (66%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$12,099 HKD at NZ Jewellers · As of September 24, 2026
View at NZ Jewellers

About this 0.42ct natural round diamond

This 0.42ct natural round sits in the sub-half-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555803259. Listed at 11 retailers as of October 28, 2026, with a 192% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.42
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6555803259
Dimensions4.81 × 4.83 × 2.97 mm
L/W Ratio1.00
Star length50%
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
4.81 mm4.83 mm0.42 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555803259
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: HK$4,155 HKD|Low: HK$2,674 HKD|High: HK$7,813 HKD|Avg: HK$4,576 HKD|+7.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 6HK$2,674 HKD
Retailer 4HK$3,186 HKD
Retailer 1HK$4,155 HKD
Retailer 7HK$4,355 HKD
Retailer 5HK$4,394 HKD
Retailer 8HK$4,872 HKD
Retailer 3HK$5,536 HKD
Retailer 2HK$7,813 HKD

37 data points across 8 retailers

11 retailersHK$2,674 HKD to HK$7,813 HKD

A
Cheapest Retailer
-
HK$2,674 HKD
₹32,458 INR
Retailer 2
-
HK$3,154 HKD
$402 USD
View
Price last confirmed 28 days ago
Retailer 3
-
HK$3,186 HKD
$406 USD
View
Price last confirmed 7 days ago
Retailer 4
-
HK$3,397 HKD
$433 USD
View
Price last confirmed 31 days ago
A
Retailer 5
-
HK$3,545 HKD
A$695 AUD
View
Retailer 6
-
HK$3,641 HKD
$464 USD
View
Price last confirmed 31 days ago
A
Retailer 7
-
HK$4,155 HKD
£417 GBP
View
A
Retailer 8
-
HK$4,394 HKD
$560 USD
View
B+
Retailer 9
-
HK$5,536 HKD
€672 EUR
View
B+
Retailer 10
-
HK$7,813 HKD
£784 GBP
View
Most Expensive
NZ Jewellers
91b5de63-09fb-4aaf-afdb-6296ae533952 · Sep 24
HK$12,099 HKD
$1,542 USD
View
Price last confirmed 36 days ago
10 more retailers have this diamond
Prices start from HK$2,674 HKDSave up to HK$5,138 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.42ct Round
HK$2,674 HKD